8C9128 Buffer Seal fit Caterpillar
8C9128 Buffer Seal fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
8C9128 Buffer Seal for Caterpillar Equipment
8C9128 is a buffer seal used in Caterpillar equipment, including tracked bulldozers, excavators, and track loaders. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The seal is listed under the part number formats 8C9128 and 8C-9128.
Fitment
The available fitment data identifies the following Caterpillar equipment models and machine series for part number 8C-9128:
- Tracked bulldozers: D11N, D11R
- Excavators: 225, 225B, 225D, 229, 229D
- Track loaders: 963
Fitment should be checked against the machine model and the part number installed on the specific equipment. The model information above is limited to the Caterpillar applications listed for this seal.
Cross-reference numbers
| SKU | 8C9128 |
| Part number format | 8C-9128 |
| Part type | Buffer seal |
| Equipment manufacturer reference | Caterpillar |
Specifications
| Seal form | Type B |
| Stem diameter | 3.75 in |
| Groove diameter, H | 0.22 in, tolerance ±0.005 in |
| Groove width, A | 4.39 in, tolerance ±0.005 in |
| Listed weight | 0.1 lb |
| Listed length | 11 cm |
| Listed width | 0.5 cm |
| Listed depth | 11 cm |
The dimensional values are provided in the units shown in the available part data. Groove dimensions include the stated tolerances. The listed weight and centimetre measurements are included as recorded specifications; the source data does not identify whether these values describe the seal itself or its packing.
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